F550 Assembly

Notice:when mounting the propellers, do not use any thread locker, just tighten the nuts to the end manually then use the wrench to tighten it about 50°.

In up figure, arms ①② front of craft, arms ④⑤ are back of craft. See from top, motors on arms ①③⑤ rotate counter-clock wise, use propellers 1038; motors on arms ②④⑥ rotate clock wise, use propellers 1038R.